Immune and infectious diseases Archive

Cold germs can leap from one person to the next in more ways than you might think. Learn the everyday habits that increase spread.

A constant drip in the back of your throat isn’t always from a cold. Saline rinses, humid air, and cautious decongestant use may all help put an end to postnasal drip.

A white area on the tongue can stem from dryness, irritation, infection, or an immune condition. If the patch is persistent, your doctor should take a closer look.

Inflammation resulting from celiac disease may prevent the intestine from adequately absorbing vitamin D and calcium, leaving bones fragile. Diet, supplements, and exercise can help.

A diagnosis of gastroparesis can be confusing and worrisome. Learn what's happening in the stomach and which steps may help relieve symptoms.

Soil, water, and food processing can all introduce Listeria into everyday foods. Learn who is most vulnerable and how to reduce risk.

Recurring white patches or odd tastes in the mouth can signal yeast infection known as thrush. Yeast overgrowth may be tied to dentures, antibiotics, or immune problems.

Mouth yeast infections sometimes extend beyond the tongue. But could thrush be responsible for throat irritation, swallowing trouble, and a stubborn cough?

Gastroenteritis isn’t true flu. But it is very contagious and can spread through germs on hands, food, and water.

Periodontal (gum) disease is linked to a higher risk of cardiovascular disease, possibly because gum disease can allow bacteria to enter the bloodstream, causing inflammation that damages blood vessels.